<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单区域 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
                <!-- 用户名 -->
                <el-form-item prop="userId">
                    <el-input v-model="loginForm.userId" prefix-icon="el-icon-user-solid"></el-input>
                </el-form-item>
                <!-- 密码 -->
                 <el-form-item prop="pwd">
                    <el-input v-model="loginForm.pwd" type="password" prefix-icon="el-icon-s-goods"></el-input>
                </el-form-item>
                <!-- 按钮区 -->
                 <el-form-item class="btns">
                    <el-button type="primary" @click="login" round>登录</el-button>
                    <el-button type="info" @click="resetLoginForm" round>重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
// 行为区域
export default {
    data() {
        return {
            //这是登录表单的数据绑定对象
            loginForm: {
                userId: 'B1001',
                pwd: '123456'
            },
            // 表单验证规则对象
            loginFormRules: {
                //验证用户名是否合法
                userId: [
                    { required: true, message: '请输入登录名称', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                 //验证密码是否合法
                pwd: [
                    { required: true, message: '请输入登录密码', trigger: 'blur' },
                    { min: 5, max: 15, message: '长度在 5 到 15 个字符', trigger: 'blur' }
                ],
            }
        };
    },
    methods: {
        //点击重置按钮登录表单
        resetLoginForm() {
            this.$refs.loginFormRef.resetFields();
        },
        //登录验证
        login() {
            this.$refs.loginFormRef.validate(async valid => {
                // console.log(valid);
                // if(!valid) return;
                // const {data: res} = await this.$http.post("user/userlogin", this.loginForm);
                // if (res.meta.status !== 200) return this.$message.console.error('登录失败');
                // this.$message.success('登录成功')
                //将登陆成功之后的token，保存在客服端sessionStore中
                //项目中除了登陆以外的其他API接口在登陆之后才可以访问
                //通过编程式导航跳转到后端主页
                // window.sessionStorage.setItem("token", res.data.token);
                this.$router.push("/home");
            });
        }
    }
}

</script>

<style lang="less" scoped>
    .login_container {
        background-color: #2b4b6b;
        height: 100%;
    }

    .login_box {
        width: 450px;
        height: 300px;
        background-color: #F8F8FF;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);

        .avatar_box {
            height: 130px;
            width: 130px;
            border: 1px solid #eee;
            border-radius: 50%;
            padding: 10px;
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #F8F8FF;
            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }
    }

    .login_form {
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 50px;
        box-sizing: border-box;
    }

    .btns {
        display: flex;
        justify-content: flex-end;
    }
</style>
